package com.db.springcloud;


import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.hystrix.EnableHystrix;
import org.springframework.context.annotation.Bean;


@SpringBootApplication
@EnableEurekaClient  //服务启动后自动注册到Eureka中
@EnableDiscoveryClient  //服务发现
@EnableHystrix //开启Hystrix熔断

//@EnableCircuitBreaker
public class UserProviderHystrix_8001 {
    public static void main(String[] args) {
        SpringApplication.run(UserProviderHystrix_8001.class,args);
    }

    //增加一个Servlet可以被Hystrix监控
    @Bean
    public ServletRegistrationBean hystrixMetricsStreamServlet(){
        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new HystrixMetricsStreamServlet());
        servletRegistrationBean.addUrlMappings("/actuator/hystrix.stream");
        return servletRegistrationBean;
    }
}
